.van-nav-bar {
    height: 52px !important;
    padding-top: 10px !important;
    padding-bottom: 10px !important;
    box-sizing: border-box;
    /* position: fixed;
    top: 0;
    z-index: 99999; */
}

:deep(.van-nav-bar__left) {
    margin-left: 8px;
}